2 people that are SOOOO similar its fuckin mindbottling, but they are not related what so ever and they are of different genders.the only way u can be twons is if 1 of you is short/fun sized and the other is tall/awesome and u constantly make a constipated face and/or have luscious ginga flow.

name1: wanna hang out this week?

name2: i cant! me and my twon preform photosynthesis together on saturday, cuz u no were twons and such.